US4415240A - Illumination optical system for an endoscope - Google Patents

Illumination optical system for an endoscope Download PDF

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Publication number
US4415240A
US4415240A US06/171,759 US17175980A US4415240A US 4415240 A US4415240 A US 4415240A US 17175980 A US17175980 A US 17175980A US 4415240 A US4415240 A US 4415240A
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US
United States
Prior art keywords
fiber
mono
light guide
sub
lens system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US06/171,759
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English (en)
Inventor
Kimihiko Nishioka
Nobuo Yamashita
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Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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Publication date
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
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Publication of US4415240A publication Critical patent/US4415240A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00096—Optical elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2461—Illumination
    • G02B23/2469—Illumination using optical fibres

Definitions

  • the present invention relates to a wide angle illumination optical system for an endoscope which makes possible utilization of illumination light without waste.
  • the wider angle illumination system shown in FIG. 1 has been known.
  • a positive lens system 2 is disposed in front of a light guide 1 comprising an optical fiber bundle.
  • the illumination light coming from the light guide 1 is once converged and then dispersed by the positive lens 2 and, by utilizing this dispersed light, it has been made possible to obtain a wide angle illumination.
  • illumination by this illumination system has a drawback in that a peripheral portion of the visual field lacks light.
  • FIGS. 8 through 10 show various embodiments according to the present invention.
  • the example 4 relates to an optical system as shown in FIG. 14 wherein a mono-fiber one end of which is a ground spherical surface is disposed between a single positive lens and the light guide.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
US06/171,759 1979-07-27 1980-07-24 Illumination optical system for an endoscope Expired - Lifetime US4415240A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP54/95720 1979-07-27
JP9572079A JPS5620428A (en) 1979-07-27 1979-07-27 Lighting optical system for endoscope

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US06477672 Continuation 1983-03-22

Publications (1)

Publication Number Publication Date
US4415240A true US4415240A (en) 1983-11-15

Family

ID=14145305

Family Applications (2)

Application Number Title Priority Date Filing Date
US06/171,759 Expired - Lifetime US4415240A (en) 1979-07-27 1980-07-24 Illumination optical system for an endoscope
US06/671,014 Expired - Lifetime US4610513A (en) 1979-07-27 1984-11-13 Illumination optical system for an endoscope

Family Applications After (1)

Application Number Title Priority Date Filing Date
US06/671,014 Expired - Lifetime US4610513A (en) 1979-07-27 1984-11-13 Illumination optical system for an endoscope

Country Status (3)

Country Link
US (2) US4415240A (enrdf_load_stackoverflow)
JP (1) JPS5620428A (enrdf_load_stackoverflow)
DE (1) DE3028597A1 (enrdf_load_stackoverflow)

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529264A (en) * 1982-03-26 1985-07-16 Carl-Zeiss-Stiftung, Heidenheum/Brenz Device for sharp-edge illumination of an observation field lying in a preselectable plane
DE3515809A1 (de) * 1984-05-02 1985-11-07 Olympus Optical Co., Ltd., Tokio/Tokyo Optisches beleuchtungssystem fuer ein endoskop
US4576435A (en) * 1982-08-05 1986-03-18 Olympus Optical Co., Ltd. Endoscope including a reflector related by an inequality for uniform light distribution
US4610513A (en) * 1979-07-27 1986-09-09 Olympus Optical Co., Ltd. Illumination optical system for an endoscope
US4733937A (en) * 1986-10-17 1988-03-29 Welch Allyn, Inc. Illuminating system for endoscope or borescope
US4952040A (en) * 1987-06-26 1990-08-28 Olympus Optical Co., Ltd. Illumination optical system for an endoscope
US4964692A (en) * 1982-07-21 1990-10-23 Smith & Nephew Dyonics, Inc. Fiber bundle illumination system
US4976524A (en) * 1988-04-28 1990-12-11 Olympus Optical Co., Ltd. Optical system for endoscopes to be used for observing the interior of pipes
US5228109A (en) * 1990-08-24 1993-07-13 Matsushita Electric Industrial Co., Ltd. Light beam heating apparatus and method utilizing a fiber optic cable with random fiber array
US5754719A (en) * 1996-11-22 1998-05-19 Cogent Light Technologies, Inc. Method for coupling light from single fiberoptic to a multi-fiber bundle with enhanced field uniformity and better coupling efficiency
US6332092B1 (en) 1998-07-08 2001-12-18 Lifespex, Incorporated Optical probe having and methods for uniform light irradiation and/or light collection over a volume
US6469833B2 (en) 2000-03-31 2002-10-22 Asahi Kogaku Kogyo Kabushiki Kaisha Illumination optical system and an illumination lens element
US6487440B2 (en) 1998-07-08 2002-11-26 Lifespex, Inc. Optical probe having and methods for difuse and uniform light irradiation
US20030156819A1 (en) * 2002-02-15 2003-08-21 Mark Pruss Optical waveguide
US20050256377A1 (en) * 2004-05-12 2005-11-17 Deppmeier Thomas R Endoscope and related system
US20050267330A1 (en) * 2004-05-12 2005-12-01 Deppmeier Thomas R Endoscope and related system
US20060052668A1 (en) * 2004-09-03 2006-03-09 Hiroyuki Homma Optical system for endoscopes
US20070213592A1 (en) * 2004-05-13 2007-09-13 Olympus Corporation Endoscope device
US20080037933A1 (en) * 2006-08-14 2008-02-14 Negevtech, Ltd. Speckle reduction using a fiber bundle and light guide
US20080051636A1 (en) * 2006-08-25 2008-02-28 Pentax Corporation Endoscope illumination optical system
US20080089089A1 (en) * 2004-10-01 2008-04-17 Nichia Corporation Light Emitting Device
US20080181592A1 (en) * 2006-10-18 2008-07-31 Pentax Corporation Gyro-sensor mounting structure in a camera having an image-stabilizing function
US20090048490A1 (en) * 2006-04-24 2009-02-19 Olympus Medical Systems Corp. Endoscope
US7804993B2 (en) 2005-02-28 2010-09-28 Applied Materials South East Asia Pte. Ltd. Method and apparatus for detecting defects in wafers including alignment of the wafer images so as to induce the same smear in all images
US7843559B2 (en) 2003-01-15 2010-11-30 Applied Materials South East Asia Pte. Ltd. System for detection of wafer defects
US8031931B2 (en) 2006-04-24 2011-10-04 Applied Materials South East Asia Pte. Ltd. Printed fourier filtering in optical inspection tools
JP2012203038A (ja) * 2011-03-23 2012-10-22 Olympus Corp 広角光検出部材及びそれを用いた走査型観察装置
US8514278B2 (en) 2006-12-29 2013-08-20 Ge Inspection Technologies Lp Inspection apparatus having illumination assembly
US8814783B2 (en) 2010-03-31 2014-08-26 Fujifilm Corporation Illumination lens and endoscope
US20150257630A1 (en) * 2013-05-22 2015-09-17 Olympus Corporation Endoscope
CN106154537A (zh) * 2016-08-31 2016-11-23 南京化工特种设备检验检测研究所 用于石化装置检测的内窥镜

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529267A (en) * 1980-12-10 1985-07-16 Olympus Optical Co., Ltd. Illuminating system for endoscopes
JPS57125731A (en) * 1981-01-26 1982-08-05 Olympus Optical Co Illumination system for endoscope
JPS5866910A (ja) * 1981-10-16 1983-04-21 Olympus Optical Co Ltd 内視鏡用照明光学系
JPS5887525A (ja) * 1981-11-19 1983-05-25 Olympus Optical Co Ltd 内視鏡用照明光学系
JPS5895706A (ja) * 1981-12-02 1983-06-07 Olympus Optical Co Ltd 内視鏡用照明光学系
JPS58142244U (ja) * 1982-03-20 1983-09-26 内外テクニカ株式会社 樋付梁に凸条縁付傾斜駐車床を張設した多段式駐車場装置
JPS60246903A (ja) * 1984-05-17 1985-12-06 室岡　康資 デツキプレ−ト
JPS60246905A (ja) * 1984-05-17 1985-12-06 室岡　康資 デツキプレ−ト
JPS60246904A (ja) * 1984-05-17 1985-12-06 室岡　康資 デツキプレ−ト
JPS6168907A (ja) * 1984-09-07 1986-04-09 室岡　康資 デツキプレ−ト
JPS62178207A (ja) * 1986-01-31 1987-08-05 Dainippon Screen Mfg Co Ltd 照明用の光学系
US5257173A (en) * 1989-12-13 1993-10-26 Stanley Electric Co., Ltd. Light irradiating apparatus having light emitting diode used as light source
US5485316A (en) * 1991-10-25 1996-01-16 Olympus Optical Co., Ltd. Illumination optical system for endoscopes
JPH08138408A (ja) * 1994-11-11 1996-05-31 Nippondenso Co Ltd 車両用前照灯
US5625459A (en) * 1995-03-03 1997-04-29 Galileo Electro-Optics Corporation Diffuse reflectance probe
US6208783B1 (en) 1997-03-13 2001-03-27 Cirrex Corp. Optical filtering device
US5901261A (en) * 1997-06-19 1999-05-04 Visionex, Inc. Fiber optic interface for optical probes with enhanced photonic efficiency, light manipulation, and stray light rejection
US6580935B1 (en) 1999-03-12 2003-06-17 Cirrex Corp. Method and system for stabilizing reflected light
JP2005177025A (ja) * 2003-12-17 2005-07-07 Olympus Corp 内視鏡
JP4832395B2 (ja) * 2007-09-27 2011-12-07 株式会社クボタ コンバインの刈取り部昇降構造
EP2343005A4 (en) * 2008-10-27 2015-04-15 Olympus Medical Systems Corp IN VIVO INSERTION DEVICE AND MEDICAL SYSTEM
JP5416598B2 (ja) * 2010-01-14 2014-02-12 株式会社フジクラ 光照射装置
DE102010013835B4 (de) * 2010-03-26 2014-07-24 Xion Gmbh Vorrichtung zur Kopplung von LED an Faserbündel in der Endoskopie

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589569A (en) * 1948-08-04 1952-03-18 Westinghouse Brake & Signal Optical system for use in light signals, indicators, and the like
US3157089A (en) * 1962-06-01 1964-11-17 Jerry B Menefee Means for illuminating interior of underground shelters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814085U (enrdf_load_stackoverflow) * 1971-06-24 1973-02-16
DE2205996B2 (de) * 1972-02-09 1975-05-15 Rank Precision Industries Gmbh, 8500 Nuernberg Faseroptische Lichtleiteranordnung, insbesondere Reflexionsschranke
DD124677A1 (enrdf_load_stackoverflow) * 1975-08-15 1977-03-09
JPS5643768Y2 (enrdf_load_stackoverflow) * 1978-06-19 1981-10-14
JPS5620428A (en) * 1979-07-27 1981-02-26 Olympus Optical Co Lighting optical system for endoscope

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589569A (en) * 1948-08-04 1952-03-18 Westinghouse Brake & Signal Optical system for use in light signals, indicators, and the like
US3157089A (en) * 1962-06-01 1964-11-17 Jerry B Menefee Means for illuminating interior of underground shelters

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610513A (en) * 1979-07-27 1986-09-09 Olympus Optical Co., Ltd. Illumination optical system for an endoscope
US4529264A (en) * 1982-03-26 1985-07-16 Carl-Zeiss-Stiftung, Heidenheum/Brenz Device for sharp-edge illumination of an observation field lying in a preselectable plane
US4964692A (en) * 1982-07-21 1990-10-23 Smith & Nephew Dyonics, Inc. Fiber bundle illumination system
US4576435A (en) * 1982-08-05 1986-03-18 Olympus Optical Co., Ltd. Endoscope including a reflector related by an inequality for uniform light distribution
DE3515809A1 (de) * 1984-05-02 1985-11-07 Olympus Optical Co., Ltd., Tokio/Tokyo Optisches beleuchtungssystem fuer ein endoskop
US4929070A (en) * 1984-05-02 1990-05-29 Olympus Optical Co. Ltd. Illumination optical system for endoscopes
US4733937A (en) * 1986-10-17 1988-03-29 Welch Allyn, Inc. Illuminating system for endoscope or borescope
US4952040A (en) * 1987-06-26 1990-08-28 Olympus Optical Co., Ltd. Illumination optical system for an endoscope
US4976524A (en) * 1988-04-28 1990-12-11 Olympus Optical Co., Ltd. Optical system for endoscopes to be used for observing the interior of pipes
US5228109A (en) * 1990-08-24 1993-07-13 Matsushita Electric Industrial Co., Ltd. Light beam heating apparatus and method utilizing a fiber optic cable with random fiber array
US5754719A (en) * 1996-11-22 1998-05-19 Cogent Light Technologies, Inc. Method for coupling light from single fiberoptic to a multi-fiber bundle with enhanced field uniformity and better coupling efficiency
US6332092B1 (en) 1998-07-08 2001-12-18 Lifespex, Incorporated Optical probe having and methods for uniform light irradiation and/or light collection over a volume
US6487440B2 (en) 1998-07-08 2002-11-26 Lifespex, Inc. Optical probe having and methods for difuse and uniform light irradiation
US6469833B2 (en) 2000-03-31 2002-10-22 Asahi Kogaku Kogyo Kabushiki Kaisha Illumination optical system and an illumination lens element
US20030156819A1 (en) * 2002-02-15 2003-08-21 Mark Pruss Optical waveguide
US7843559B2 (en) 2003-01-15 2010-11-30 Applied Materials South East Asia Pte. Ltd. System for detection of wafer defects
US20050267330A1 (en) * 2004-05-12 2005-12-01 Deppmeier Thomas R Endoscope and related system
US7160247B2 (en) * 2004-05-12 2007-01-09 Linvatec Corporation Endoscope with large diameter distal end
US20050256377A1 (en) * 2004-05-12 2005-11-17 Deppmeier Thomas R Endoscope and related system
US7708689B2 (en) 2004-05-12 2010-05-04 Linvatec Corporation Endoscope and related system
US20070213592A1 (en) * 2004-05-13 2007-09-13 Olympus Corporation Endoscope device
US7871373B2 (en) * 2004-05-13 2011-01-18 Olympus Corporation Endoscope device
US20060052668A1 (en) * 2004-09-03 2006-03-09 Hiroyuki Homma Optical system for endoscopes
US7585274B2 (en) * 2004-09-03 2009-09-08 Olympus Corporation Optical system for endoscopes
US8197111B2 (en) * 2004-10-01 2012-06-12 Nichia Corporation Light emitting device
US20080089089A1 (en) * 2004-10-01 2008-04-17 Nichia Corporation Light Emitting Device
US20100254153A1 (en) * 2004-10-01 2010-10-07 Nichia Corporation Light emitting device
US7758224B2 (en) * 2004-10-01 2010-07-20 Nichia Corporation Light emitting device
US7804993B2 (en) 2005-02-28 2010-09-28 Applied Materials South East Asia Pte. Ltd. Method and apparatus for detecting defects in wafers including alignment of the wafer images so as to induce the same smear in all images
US8545400B2 (en) * 2006-04-24 2013-10-01 Olympus Medical Systems Corp. Endoscope
US20090048490A1 (en) * 2006-04-24 2009-02-19 Olympus Medical Systems Corp. Endoscope
US8031931B2 (en) 2006-04-24 2011-10-04 Applied Materials South East Asia Pte. Ltd. Printed fourier filtering in optical inspection tools
US20080037933A1 (en) * 2006-08-14 2008-02-14 Negevtech, Ltd. Speckle reduction using a fiber bundle and light guide
US20080051636A1 (en) * 2006-08-25 2008-02-28 Pentax Corporation Endoscope illumination optical system
US8118734B2 (en) 2006-08-25 2012-02-21 Hoya Corporation Endoscope illumination optical system
US8059949B2 (en) 2006-10-18 2011-11-15 Hoya Corporation Gyro-sensor mounting structure in a camera having an image-stabilizing function
US20080181592A1 (en) * 2006-10-18 2008-07-31 Pentax Corporation Gyro-sensor mounting structure in a camera having an image-stabilizing function
US8514278B2 (en) 2006-12-29 2013-08-20 Ge Inspection Technologies Lp Inspection apparatus having illumination assembly
US8814783B2 (en) 2010-03-31 2014-08-26 Fujifilm Corporation Illumination lens and endoscope
JP2012203038A (ja) * 2011-03-23 2012-10-22 Olympus Corp 広角光検出部材及びそれを用いた走査型観察装置
US20150257630A1 (en) * 2013-05-22 2015-09-17 Olympus Corporation Endoscope
US9808141B2 (en) * 2013-05-22 2017-11-07 Olympus Corporation Endoscope
CN106154537A (zh) * 2016-08-31 2016-11-23 南京化工特种设备检验检测研究所 用于石化装置检测的内窥镜

Also Published As

Publication number Publication date
DE3028597A1 (de) 1981-02-05
JPS623406B2 (enrdf_load_stackoverflow) 1987-01-24
JPS5620428A (en) 1981-02-26
DE3028597C2 (enrdf_load_stackoverflow) 1989-02-16
US4610513A (en) 1986-09-09

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